In transmission systems, the engine torque is modified by reducing or increasing rotational speed.
This animation demonstrates the structure and operation of electron microscopes.
Formula 1 is the highest class and most popular type of motor racing.
The first commercially successful technique of photography was invented by the French Louis Daguerre.
This animation demonstrates the structure and operation of CT scanners.
The Internet allows us to send data quickly to large distances.
Life magazine picked Gutenberg's invention of mechanical movable type printing as the most important event of the second millennium.
The device that transmits human voice as electrical signals was invented by Bell in 1876.
The English engineer George Stephenson’s locomotive was built for a competition of locomotives in 1829.
The German engineer Rudolf Diesel patented the diesel engine in 1893.
Combining a conventional internal combustion engine propulsion system with an electric propulsion system reduces emission.
A type of rotary engine of high efficiency
Paper was invented more than two thousand years ago.
This animation demonstrates how a CRT television works.
This animation explains how a plasma display television works.
Radial engines are used primarily in aeroplanes and helicopters.
This animation demonstrates how mobile phones work.
Computer hard disk drives are devices of magnetic data storage.
This animation demonstrates the mechanism and operation of record players.
A differential allows the driven wheels of a car to rotate at different speeds when the car is turning.